Home / 276,747.78-414,844.28-108,036.12

Finding the Fourth Proportional to 276,747.78, 414,844.28 and 108,036.12

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Solution

The fourth proportional to 276,747.78, 414,844.28 and 108,036.12 is: 161,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,747.78 : 414,844.28 = 108,036.12 : x
  2. Step 2: Convert to fraction form
    276,747.78/414,844.28 = 108,036.12/x
  3. Step 3: Cross multiply
    276,747.78x = 414,844.28 × 108,036.12
  4. Step 4: Simplify right side
    276,747.78x = 44,818,166,415.39
  5. Step 5: Solve for x
    x = 44,818,166,415.39/276,747.78
  6. Step 6: Final answer
    x = 161,945.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.